HHIP 4″ 1″-10 THREADED BACKPLATE FOR 3 JAW CHUCKS (3900-3211)

Description

4″ 1″~10 Threaded 3-Jaw Backplate ~ Fits most plain back chucks. ~ Must be machined for concentricity. ~ Made of high grade casting steel. ~ Assembly instructions included. ~ Bolt circle is 3.3″. ~ Number of bolt holes is 3. Fits most plain back chucks. Must be machined for concentricity. Made of high grade casting steel. Assembly instructions included. Bolt circle is 3.3″. ~ Number of bolt holes is 3.